Home / 21,668.16-32,507.28-9,189.24

Finding the Fourth Proportional to 21,668.16, 32,507.28 and 9,189.24

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Solution

The fourth proportional to 21,668.16, 32,507.28 and 9,189.24 is: 13,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.16 : 32,507.28 = 9,189.24 : x
  2. Step 2: Convert to fraction form
    21,668.16/32,507.28 = 9,189.24/x
  3. Step 3: Cross multiply
    21,668.16x = 32,507.28 × 9,189.24
  4. Step 4: Simplify right side
    21,668.16x = 298,717,197.67
  5. Step 5: Solve for x
    x = 298,717,197.67/21,668.16
  6. Step 6: Final answer
    x = 13,786.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.